<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/02/15/creating-timers-using-the-settimeout-method/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:Script>
<![CDATA[
import mx.controls.Alert;
public var intervalId:Number;//定时器参数
private var alert:Alert;
private function delayedAlert():void {
var num:Number;
intervalId =setInterval(launchAlert, 1000);
button.enabled = false;
}
private function launchAlert():void {
if(Number(count.text)>0){
count.text=String(Number(count.text)-1);
}
if(Number(count.text)==0){
alert = Alert.show("I'm an alert.");
button.enabled = true;
clearInterval(intervalId);
}
}
]]>
</mx:Script>
<mx:Button id="button"
label="Click here to launch alert"
click="delayedAlert();" />
<mx:TextInput name="count" id="count" text="2" width="32"></mx:TextInput>
</mx:Application>
